Apache Subversion

Subversion is an open-source, centralized version control system characterized by its reliability as a safe haven for valuable data; the simplicity of its model and usage; and its ability to support the needs of a wide variety of users and projects, from individuals to large-scale enterprise operations …(more)

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GNU APL is a free interpreter for the programming language APL. The APL interpreter is an (almost) complete implementation of ISO standard 13751 aka. Programming Language APL, Extended …(more)

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Autoconf Archive

The GNU Autoconf Archive is a collection of more than 450 macros for GNU Autoconf that have been contributed as free software by friendly supporters of the cause from all over the Internet. Every single one of those macros can be re-used without imposing any restrictions whatsoever on the licensing of the generated configure script. In particular, it is possible to use all those macros in configure scripts that are meant for non-free software. This policy is unusual for a Free Software Foundation project. The FSF firmly believes that software ought to be free, and software licenses like the GPL are specifically designed to ensure that derivative work based on free software must be free as well. In case of Autoconf, however, an exception has been made, because Autoconf is at such a pivotal position in the software development tool chain that the benefits from having this tool available as widely as possible outweigh the disadvantage that some authors may choose to use it, too, for proprietary software …(more)

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AutoGen is a tool designed to simplify the creation and maintenance of programs that contain large amounts of repetitious text. It is especially valuable in programs that have several blocks of text that must be kept synchronized …(more)

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Bash is the GNU Project’s shell. Bash is the Bourne Again SHell. Bash is an sh-compatible shell that incorporates useful features from the Korn shell (ksh) and C shell (csh). It is intended to conform to the IEEE POSIX P1003.2/ISO 9945.2 Shell and Tools standard. It offers functional improvements over sh for both programming and interactive use. In addition, most sh scripts can be run by Bash without modification …(more)

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The GNU Binary Utilities, or binutils, are a set of programming tools for creating and managing binary programs, object files, libraries, profile data, and assembly source code originally written by programmers at Cygnus Solutions. The GNU binutils are typically used in conjunction with compilers such as the GNU Compiler Collection (gcc), build tools like make, and the GNU Debugger (gdb) …(more)

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Bluefish is an advanced text editor with a variety of tools for programming in general and the development of dynamic websites. Bluefish supports development in (among others) HTML, XHTML, CSS, XML, PHP, C, C++, JavaScript, Java, Google Go, Vala, Ada, D, SQL, Perl, ColdFusion, JSP, Python, Ruby and shell. Bluefish is developed in C/GTK+ and can be used integrated in GNOME or run independently …(more)

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ccache is a compiler cache. It speeds up recompilation by caching previous compilations and detecting when the same compilation is being done again. Supported languages are C, C++, Objective-C and Objective-C++ …(more)

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GNU ccScript is a C++ class framework for creating a virtual machine execution system for use with and as a scripting/assembler language for state-transition driven realtime systems. The most common example of this is as the core of the scripting engine found in GNU Bayonne …(more)

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GNU cgicc is an ANSI C++ compliant class library that greatly simplifies the creation of CGI applications for the World Wide Web …(more)

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GNU Cim is a compiler for the programming language Simula (except unspecified parameters to formal or virtual procedures (see the documentation for how portable code for formal procedures can be written)). It offers a class concept, separate compilation with full type checking, interface to external C routines, an application package for process simulation and a coroutine concept …(more)

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Code::Blocks is a free C, C++ and Fortran IDE built to meet the most demanding needs of its users. It is designed to be very extensible and fully configurable. Built around a plugin framework, Code::Blocks can be extended with plugins. Any kind of functionality can be added by installing/coding a plugin. For instance, compiling and debugging functionality is already provided by plugins …(more)

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cppcheck is a static analysis tool for C/C++ code. Unlike C/C++ compilers and many other analysis tools it does not detect syntax errors in the code. Cppcheck primarily detects the types of bugs that the compilers normally do not detect. The goal is to detect only real errors in the code (i.e. have zero false positives) …(more)

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CSSC is the GNU Project’s replacement for SCCS. SCCS is a proprietary source code control for Unix platforms.SCCS was an effective method for small projects, but these days is less popular, particularly for projects involving large numbers of files. Today, it is highly recommended to use a more modern source code control systems, such as git or Apache Subversion …(more)

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GNU DDD is a graphical front-end for command-line debuggers such as GDB, DBX, WDB, Ladebug, JDB, XDB, the Perl debugger, the bash debugger bashdb, the GNU Make debugger remake, or the Python debugger pydb. Besides “usual” front-end features such as viewing source texts, DDD has become famous through its interactive graphical data display, where data structures are displayed as graphs …(more)

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GNU Direvent monitors events in the file system directories. For each event that occurs in a set of pre-configured directories, the program calls an external program associated with it, supplying it with the information about the event and the location within the file system where it occured. Direvent provides an easy way to configure your system to react immediately if certain files undergo changes. This may be helpful, for example, to track changes in the important configuration files …(more)

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Emacs and its derivatives are a family of text editors that are characterized by their extensibility. The manual for the most widely-used variant, GNU Emacs, describes it as “the extensible, customizable, self-documenting, real-time display editor”. Development of the first Emacs began in the mid-1970s and continues actively as of 2014. Emacs has over 2,000 built-in commands and allows the user to combine these commands into macros to automate work. The use of Emacs Lisp, a variant of the Lisp programming language, provides a deep extension capability …(more)

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Flex is a tool for generating scanners. A scanner, sometimes called a tokenizer, is a program which recognizes lexical patterns in text. The flex program reads user-specified input files, or its standard input if no file names are given, for a description of a scanner to generate. The description is in the form of pairs of regular expressions and C code, called rules. Flex generates a C source file named, “lex.yy.c”, which defines the function yylex(). The file “lex.yy.c” can be compiled and linked to produce an executable. When the executable is run, it analyzes its input for occurrences of text matching the regular expressions for each rule. Whenever it finds a match, it executes the corresponding C code …(more)

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If you are like many computer users, you would frequently like to make changes in various text files wherever certain patterns appear, or extract data from parts of certain lines while discarding the rest. To write a program to do this in a language such as C or Pascal is a time-consuming inconvenience that may take many lines of code. The job is easy with awk, especially the GNU implementation: gawk …(more)

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The GNU Compiler Collection includes front ends for C, C++, Objective-C, Fortran, Java, Ada, and Go, as well as libraries for these languages (libstdc++, libgcj,…). GCC was originally written as the compiler for the GNU operating system. The GNU system was developed to be 100% free software, free in the sense that it respects the user’s freedom …(more)

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GCL is the official Common Lisp for the GNU project. Its design makes use of the system’s C compiler to compile to native object code, providing for both good performance and facile portability. GCL currently compiles itself and the primary free software Lisp applications, Maxima , ACL2 and Axiom, on eleven GNU/Linux architectures (x86 powerpc s390 sparc arm alpha ia64 hppa m68k mips mipsel), Windows, Sparc Solaris, and FreeBSD. On most platforms, GCL can load native object code modules directly into its lisp core, where they are preserved in any custom lisp images produced via the save-system call …(more)

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GDB, the GNU Project debugger, allows you to see what is going on `inside’ another program while it executes — or what another program was doing at the moment it crashed …(more)

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gettext is an internationalization and localization (i18n) system commonly used for writing multilingual programs on Unix-like computer operating systems. The most commonly used implementation of gettext is GNU gettext, released by the GNU Project in 1995 …(more)

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Gforth develops an implementation of Forth programming language for GNU project …(more)

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The GNU C Library is primarily designed to be a portable and high performance C library. It follows all relevant standards including ISO C11 and POSIX.1-2008. It is also internationalized and has one of the most complete internationalization interfaces known. The GNU C Library is used as the C library in the GNU systems and most systems with the Linux kernel …(more)

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GNU GLOBAL is a source code tag system that works the same way across diverse environments, such as Emacs editor, Vi editor, Less viewer, Bash shell, various web browsers, etc. You can locate specified tags, such as functions, macros, structs, classes, in your source files and move there easily. It is useful for hacking large projects which contain many sub-directories, many #ifdef and many main() functions. It is similar to ctags or etags, but is different from them at the point of independence of any editor. It runs on a UNIX (POSIX) compatible operating system, like GNU and BSD …(more)

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GLPK (GNU Linear Programming Kit)

The GLPK (GNU Linear Programming Kit) package is intended for solving large-scale linear programming (LP), mixed integer programming (MIP), and other related problems. It is a set of routines written in ANSI C and organized in the form of a callable library …(more)

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GMP is a free library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating-point numbers. There is no practical limit to the precision except the ones implied by the available memory in the machine GMP runs on. GMP has a rich set of functions, and the functions have a regular interfacehome: …(more)

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GNUnited Nations

GNUnited Nations (GNUN) is a build system for translations. It generates a PO template (.pot) for an original HTML article, and merges the changes into all translations, which are maintained as PO (.po) files. Finally, it regenerates the translations in HTML format …(more)

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Guile is the GNU Ubiquitous Intelligent Language for Extensions, the official extension language for the GNU operating system. Guile is a library designed to help programmers create flexible applications. Using Guile in an application allows the application’s functionality to be extended by users or other programmers with plug-ins, modules, or scripts. Guile provides what might be described as “practical software freedom,” making it possible for users to customize an application to meet their needs without digging into the application’s internals …(more)

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GNU Guile-Ncurses is a library for the Guile Scheme interpreter that provides functions for creating text user interfaces. The text user interface functionality is built on the ncurses libraries: curses, form, panel, and menu …(more)

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GNU Guile-OpenGL is a library providing access to the OpenGL graphics API from GNU Guile …(more)

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GNU Guile-RPC is an implementation of ONC RPC and XDR (standardized as RFC 1831 and RFC 4506) in Guile Scheme, and for use by GNU Guile programs. ONC RPC is the “Open Network Computing” Remote Procedure Call protocol, allowing programs to invoke procedures of programs running on remote machines. XDR is the underlying binary data representation format …(more)

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help2man produces simple manual pages from the –help and –version output of other commands …(more)

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jEdit is a programmer’s text editor written in Java. It uses the Swing toolkit for the GUI and can be configured as a rather powerful IDE through the use of its plugin architecture …(more)

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Kate (short for KDE Advanced Text Editor) is a text editor made by KDE. It has been a part of K Desktop Environment 2 since 2001. Geared towards software developers, it features syntax highlighting, code folding, customizable layouts that can be recalled via presets, regular expression support and extensibility …(more)

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KDevelop is a free, open source IDE (Integrated Development Environment) for Linux, Solaris, FreeBSD, Max OS X and other Unix flavors. It is a feature-full, plugin extensible IDE for C/C++ and other programming languages. It is based on KDevPlatform, and the KDE and Qt libraries and is under development since 1998 …(more)

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KDiff3 is a graphical text difference analyzer for up to 3 input files, provides character-by-character analysis and a text merge tool with integrated editor. It can also compare and merge directories …(more)

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Lazarus is a Delphi compatible cross-platform IDE for Rapid Application Development. It has variety of components ready for use and a graphical form designer to easily create complex graphical user interfaces.You can create your own open source or commercial applications. With Lazarus you can create file browsers, image viewers, database applications, graphics editing software, games, 3D software, medical analysis software or any other type of software …(more)

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GNU libmicrohttpd is a small, embeddable HTTP server implemented as a C library. It makes it easy to run an HTTP server as part of another application. The library is fully HTTP 1.1 compliant. It can listen on multiple ports, supports four different threading models, and supports IPv6. It also features security features such as basic and digest authentication and support for SSL3 and TLS …(more)

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Libtasn1 is the ASN.1 library used by GnuTLS, GNU Shishi and some other packages. It was written by Fabio Fiorina, and has been shipped as part of GnuTLS for some time but is now a proper GNU package. The goal of this implementation is to be highly portable, and only require an ANSI C89 platform …(more)

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GNU Libtool is a computer programming tool from the GNU build system used for creating portable compiled libraries.Libtool helps manage the creation of static and dynamic libraries on various Unix-like operating systems. Libtool accomplishes this by abstracting the library-creation process, hiding differences between various systems …(more)

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Text files are nowadays usually encoded in Unicode, and may consist of very different scripts – from Latin letters to Chinese Hanzi –, with many kinds of special characters – accents, right-to-left writing marks, hyphens, Roman numbers, and much more. But the POSIX platform APIs for text do not contain adequate functions for dealing with particular properties of many Unicode characters. In fact, the POSIX APIs for text have several assumptions at their base which don’t hold for Unicode text. This library provides functions for manipulating Unicode strings and for manipulating C strings according to the Unicode standard …(more)

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GNU lightning is a library that generates assembly language code at run-time; it is very fast, making it ideal for Just-In-Time compilers, and it abstracts over the target CPU, as it exposes to the clients a standardized RISC instruction set inspired by the MIPS and SPARC chips …(more)

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Lightweight Java Game Library

The Lightweight Java Game Library (LWJGL) is a solution aimed directly at professional and amateur Java programmers alike to enable commercial quality games to be written in Java. LWJGL provides developers access to high performance crossplatform libraries such as OpenGL (Open Graphics Library), OpenCL (Open Computing Language) and OpenAL (Open Audio Library) allowing for state of the art 3D games and 3D sound. Additionally LWJGL provides access to controllers such as Gamepads, Steering wheel and Joysticks. All in a simple and straight forward API …(more)

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GNU Make is a tool which controls the generation of executables and other non-source files of a program from the program’s source files. Make gets its knowledge of how to build your program from a file called the makefile, which lists each of the non-source files and how to compute it from other files …(more)

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GNU Make is a tool which controls the generation of executables and other non-source files of a program from the program’s source files. Make gets its knowledge of how to build your program from a file called the makefile, which lists each of the non-source files and how to compute it from other files. When you write a program, you should write a makefile for it, so that it is possible to use Make to build and install the program. …(more)

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Massif Visualizer

Massif Visualizer is a tool that visualizes massif data. You run your application in Valgrind with –tool=massif and then open the generated massif.out.%pid in the visualizer. Gzip or Bzip2 compressed massif files can also be opened transparently …(more)

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The purpose of mifluz is to provide a C++ library to store a full text inverted index. To put it briefly, it allows storage of occurrences of words in such a way that they can later be searched. The basic idea of an inverted index is to associate each unique word with a list of documents in which they appear. This list can then be searched to locate the documents containing a specific word …(more)

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Gnu Mpc is a C library for the arithmetic of complex numbers with arbitrarily high precision and correct rounding of the result. It extends the principles of the IEEE-754 standard for fixed precision real floating point numbers to complex numbers, providing well-defined semantics for every operation. At the same time, speed of operation at high precision is a major design goal …(more)

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Nettle is a cryptographic library that is designed to fit easily in more or less any context: in crypto toolkits for object-oriented languages (C++, Python, Pike, …), in applications like LSH or GNUPG, or even in kernel space. …(more)

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GNU Octave is a high-level interpreted language, primarily intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical experiments. It also provides extensive graphics capabilities for data visualization and manipulation. Octave is normally used through its interactive command line interface, but it can also be used to write non-interactive programs. The Octave language is quite similar to Matlab so that most programs are easily portable …(more)

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The Open Source Computer Vision Library has more than 2500 algorithms, extensive documentation and sample code for real-time computer vision. It works on Windows, Linux, Mac OS X, Android and iOS …(more)

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PMD is a source code analyzer. It finds common programming flaws like unused variables, empty catch blocks, unnecessary object creation, and so forth. It supports Java, JavaScript, XML, XSL. Additionally it includes CPD, the copy-paste-detector. CPD finds duplicated code in Java, C, C++, C#, PHP, Ruby, Fortran, JavaScript …(more)

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GNU pyconfigure provides developers with file templates for implementing standard `configure’ scripts and `Makefile’ recipes for their Python packages. pyconfigure supports different project needs, allowing you to write your build/install logic in Python or in Make. Developers with existing packages need not worry, as pyconfigure integrates well with what you have already written …(more)

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Qt is a cross-platform application and UI framework for developers using C++ or QML, a CSS & JavaScript like language. Qt Creator is the supporting Qt IDE. Qt Cloud Services provides connected application backend features to Qt applications. Qt, Qt Quick and the supporting tools are developed as an open source project governed by an inclusive meritocratic model. Qt can be used under open source (GPL v3 and LGPL v2.1) or commercial terms …(more)

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Qt Creator

Qt Creator is a cross-platform IDE (integrated development environment) tailored to the needs of Qt developers. It is part of the Qt Project. Qt Creator focuses on providing features that help new Qt users get up and running faster, and also boost the productivity of experienced Qt developers …(more)

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WebKit is an open source web browser engine. WebKit’s HTML and JavaScript code began as a branch of the KHTML and KJS libraries from KDE. As part of KDE framework KHTML was based on Qt but during their porting efforts Apple’s engineers made WebKit toolkit independent. QtWebKit is a project aiming at porting this fabulous engine back to Qt …(more)

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The Revision Control System (RCS) manages multiple revisions of files. RCS automates the storing, retrieval, logging, identification, and merging of revisions. RCS is useful for text that is revised frequently, including source code, programs, documentation, graphics, papers, and form letters …(more)

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Readline Library

The GNU Readline library provides a set of functions for use by applications that allow users to edit command lines as they are typed in. Both Emacs and vi editing modes are available. The Readline library includes additional functions to maintain a list of previously-entered command lines, to recall and perhaps reedit those lines, and perform csh-like history expansion on previous commands …(more)

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MIT/GNU Scheme is an implementation of the Scheme programming language, providing an interpreter, compiler, source-code debugger, integrated Emacs-like editor, and a large runtime library. MIT/GNU Scheme is best suited to programming large applications with a rapid development cycle …(more)

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Scintilla is a free source code editing component. As well as features found in standard text editing components, Scintilla includes features especially useful when editing and debugging source code. These include support for syntax styling, error indicators, code completion and call tips. The selection margin can contain markers like those used in debuggers to indicate breakpoints and the current line. Styling choices are more open than with many editors, allowing the use of proportional fonts, bold and italics, multiple foreground and background colours and multiple fonts …(more)

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SoapUI is a free and open source cross-platform Functional Testing solution. With an easy-to-use graphical interface, and enterprise-class features, SoapUI allows you to easily and rapidly create and execute automated functional, regression, compliance, and load tests. In a single test environment, SoapUI provides complete test coverage and supports all the standard protocols and technologies. There are simply no limits to what you can do with your tests. Meet SoapUI, the world’s most complete testing tool …(more)

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GNU Sqltutor is a web based interactive tutorial of Structured Query Language (SQL) …(more)

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strace is a system call tracer, i.e. a debugging tool which prints out a trace of all the system calls made by a another process/program …(more)

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SWIG is a software development tool that connects programs written in C and C++ with a variety of high-level programming languages. SWIG is used with different types of target languages including common scripting languages such as Javascript, Perl, PHP, Python, Tcl and Ruby …(more)

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GNU Thales is a set of simple Guile macroses to perform testing in a way, simular to Python Doctest. Also, Thales have functions to check stability of public interface of your Guile modules. For historical reasons, exists two entriely different programs of name Thales — IRC to Database Gateway, which is not maintained, but sources can be accessed via cvs on Savannah, and the current version 1.99 …(more)

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The Kawa Scheme language

Kawa is a programming language for the Java platform. It is an implementation of Scheme, which, is in the Lisp family of programming languages. Kawa has many useful features, including convenient integration with Java. It can be used as a “scripting language”, but includes a compiler and all the benefits of a “real” programming language, including optional static typing, so Kawa programs can be as efficient as Java …(more)

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Zenity is a tool that allows you to display GTK dialog boxes in commandline and shell scripts. …(more)

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GNU Zile is a text editor development kit, so that you can (relatively) quickly develop your own ideal text editor without reinventing the wheel for many of the common algorithms and data-structures needed to do so …(more)

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